APA (7th ed.) Citation

Conrad, P. (1990). DOS-Einsteigerbuch (12. Aufl.). Sybex.

Chicago Style (17th ed.) Citation

Conrad, Peter. DOS-Einsteigerbuch. 12. Aufl. Düsseldorf [u.a.]: Sybex, 1990.

MLA (9th ed.) Citation

Conrad, Peter. DOS-Einsteigerbuch. 12. Aufl. Sybex, 1990.

Warning: These citations may not always be 100% accurate.